Azure IoT C# SDK Long Term Support Release 2020-1-24

Microsoft.Azure.Devices.Client v1.21.4

• Upgraded Newtonsoft dependency to 12.0.3
• Fixed twin parsing to use DateTimeOffset instead of DateTime (#1122)
• Fixed Mqtt adaptor not always cleaning up while closing (PR #1181)
• Fixed MqttTransportHandler not handling ConnectExceptions correctly (#648)
• Fixed the SDK not throwing an exception when the mqtt topic name was too large to publish (#1197)

Microsoft.Azure.Devices v1.18.3

• Upgraded Newtonsoft dependency to 12.0.3

Microsoft.Azure.Devices.Shared v1.16.1

• Upgraded Newtonsoft dependency to 12.0.3

Microsoft.Azure.Devices.Provisioning.Service v1.5.1

• Upgraded Newtonsoft dependency to 12.0.3